Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Zinc and carbon Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is N2O N2O3 NO2 NO N2O N2O3 NO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Desilication Hydration Carbonation Oxidation Desilication Hydration Carbonation Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Hydrogen Helium Chlorine Nitrogen Hydrogen Helium Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polymer None of these Acrylic Polyester Polymer None of these Acrylic Polyester ANSWER DOWNLOAD EXAMIANS APP
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